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| author | Mark Shannon <mark@hotpy.org> | 2022-02-15 09:35:16 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-02-15 09:35:16 (GMT) |
| commit | 3be1a443ca8e7d4ba85f95b78df5c4122cae9ede (patch) | |
| tree | 78b67b7f1b7a583bda33bf7f0788a55569f19287 /Lib/test/test_compile.py | |
| parent | 12360aa159c42c7798fd14225d271e6fd84db7eb (diff) | |
| download | cpython-3be1a443ca8e7d4ba85f95b78df5c4122cae9ede.zip cpython-3be1a443ca8e7d4ba85f95b78df5c4122cae9ede.tar.gz cpython-3be1a443ca8e7d4ba85f95b78df5c4122cae9ede.tar.bz2 | |
bpo-46724: Use `JUMP_ABSOLUTE` for all backward jumps. (GH-31326)
* Make sure all backward jumps use JUMP_ABSOLUTE.
* Add news.
* Fix up news item.
* Make test use consistent style.
Diffstat (limited to 'Lib/test/test_compile.py')
| -rw-r--r-- | Lib/test/test_compile.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/test/test_compile.py b/Lib/test/test_compile.py index 0965015..7ebe837 100644 --- a/Lib/test/test_compile.py +++ b/Lib/test/test_compile.py @@ -1008,6 +1008,16 @@ if 1: elif instr.opname in HANDLED_JUMPS: self.assertNotEqual(instr.arg, (line + 1)*INSTR_SIZE) + def test_no_wraparound_jump(self): + # See https://bugs.python.org/issue46724 + + def while_not_chained(a, b, c): + while not (a < b < c): + pass + + for instr in dis.Bytecode(while_not_chained): + self.assertNotEqual(instr.opname, "EXTENDED_ARG") + @requires_debug_ranges() class TestSourcePositions(unittest.TestCase): # Ensure that compiled code snippets have correct line and column numbers |